CVE-2006-3451

Ie vulnerability

CVSS

7.5

EPSS

41.2%

EPSS pct

99th

Exploited

No known

Microsoft Internet Explorer 5 SP4 and 6 do not properly garbage collect when "multiple imports are used on a styleSheets collection" to construct a chain of Cascading Style Sheets (CSS), which allows remote attackers to execute arbitrary code via unspecified vectors.

Affected vendor

Microsoft

Affected product

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2006-08-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 41.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2006-3451

Confirm whether Microsoft Ie is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2006-3451.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-3451

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-3451 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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